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I'm new to this and I'm finding really hard to understand how to receive data from the OBD-II, and what I find about it it's only for Android, java, but I'm looking for C#, Xamarin.Forms.

My OBD-II is currently connected to my car, and what I want to do is getting the speed, temperature, etc. from it through a Xamarin app.

If someone could help me, please!

João Santos
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  • I would first attempt to do this as a Proof-of-concept app as a console app. How is the adapter connected to the computer? – phuzi Jun 21 '21 at 09:33
  • These devices are usually simple Serial over Bluetooth devices. So you will need to create a socket over bluetooth and send and respond to the commands it sends. – Cheesebaron Jun 21 '21 at 09:42
  • @phuzi Atm the adapter is connected to my car! I already edited the post so people could understand, sorry about that. I'm gonna need to connect the phone to the adapter, and then get the information like speed, and more. – João Santos Jun 21 '21 at 09:42
  • Of course it will need to be connected to the car! I was asking how it will be connected to the computer. From your comment, I'll assume that it's a simple serial over Bluetooth device and therefore you will be connecting to it over Bluetooth. – phuzi Jun 21 '21 at 09:44
  • @phuzi Yes, through Bluetooth! I already installed an app to see how it worked called Car Scanner, and it's something like it that I'd like to do, but just get a really specific info. – João Santos Jun 21 '21 at 10:11
  • Here is a list of AT commands it supports over serial: https://www.elmelectronics.com/wp-content/uploads/2020/05/AT_Command_Table.pdf – Cheesebaron Jun 21 '21 at 11:36

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